R version 2.7.0 (2008-04-22)
Copyright (C) 2008 The R Foundation for Statistical Computing
ISBN 3-900051-07-0

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> x <- c(100,93.6666666666667,89.575,83.6916666666667,84.6833333333333,81.7333333333333)
> par1 = '6'
> #'GNU S' R Code compiled by R2WASP v. 1.0.44 ()
> #Author: Prof. Dr. P. Wessa
> #To cite this work: AUTHOR(S), (YEAR), YOUR SOFTWARE TITLE (vNUMBER) in Free Statistics Software (v$_version), Office for Research Development and Education, URL http://www.wessa.net/rwasp_YOURPAGE.wasp/
> #Source of accompanying publication: Office for Research, Development, and Education
> #Technical description: Write here your technical program description (don't use hard returns!)
> par1 <- as.numeric(par1)
> (n <- length(x))
[1] 6
> (np <- floor(n / par1))
[1] 1
> arr <- array(NA,dim=c(par1,np+1))
> darr <- array(NA,dim=c(par1,np+1))
> ari <- array(0,dim=par1)
> dx <- diff(x)
> j <- 0
> for (i in 1:n)
+ {
+ j = j + 1
+ ari[j] = ari[j] + 1
+ arr[j,ari[j]] <- x[i]
+ darr[j,ari[j]] <- dx[i]
+ if (j == par1) j = 0
+ }
> ari
[1] 1 1 1 1 1 1
> arr
          [,1] [,2]
[1,] 100.00000   NA
[2,]  93.66667   NA
[3,]  89.57500   NA
[4,]  83.69167   NA
[5,]  84.68333   NA
[6,]  81.73333   NA
> darr
           [,1] [,2]
[1,] -6.3333333   NA
[2,] -4.0916667   NA
[3,] -5.8833333   NA
[4,]  0.9916667   NA
[5,] -2.9500000   NA
[6,]         NA   NA
> arr.mean <- array(NA,dim=par1)
> arr.median <- array(NA,dim=par1)
> arr.midrange <- array(NA,dim=par1)
> for (j in 1:par1)
+ {
+ arr.mean[j] <- mean(arr[j,],na.rm=TRUE)
+ arr.median[j] <- median(arr[j,],na.rm=TRUE)
+ arr.midrange[j] <- (quantile(arr[j,],0.75,na.rm=TRUE) + quantile(arr[j,],0.25,na.rm=TRUE)) / 2
+ }
> overall.mean <- mean(x)
> overall.median <- median(x)
> overall.midrange <- (quantile(x,0.75) + quantile(x,0.25)) / 2
> postscript(file="/var/www/html/rcomp/tmp/1zv6w1226597337.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.mean,type='b',ylab='mean',main='Mean Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.mean,0)
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/2e1821226597337.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.median,type='b',ylab='median',main='Median Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.median,0)
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/3pjlr1226597337.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> plot(arr.midrange,type='b',ylab='midrange',main='Midrange Plot',xlab='Periodic Index')
> mtext(paste('#blocks = ',np))
> abline(overall.midrange,0)
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/4l2lv1226597337.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(t(arr))
> names(z) <- c(1:par1)
> (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Periodic Subseries'))
$stats
     [,1]     [,2]   [,3]     [,4]     [,5]     [,6]
[1,]  100 93.66667 89.575 83.69167 84.68333 81.73333
[2,]  100 93.66667 89.575 83.69167 84.68333 81.73333
[3,]  100 93.66667 89.575 83.69167 84.68333 81.73333
[4,]  100 93.66667 89.575 83.69167 84.68333 81.73333
[5,]  100 93.66667 89.575 83.69167 84.68333 81.73333

$n
[1] 1 1 1 1 1 1

$conf
     [,1]     [,2]   [,3]     [,4]     [,5]     [,6]
[1,]  100 93.66667 89.575 83.69167 84.68333 81.73333
[2,]  100 93.66667 89.575 83.69167 84.68333 81.73333

$out
numeric(0)

$group
numeric(0)

$names
[1] "1" "2" "3" "4" "5" "6"

> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/5dj231226597337.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(t(darr))
> names(z) <- c(1:par1)
> (boxplot(z,notch=TRUE,col='grey',xlab='Periodic Index',ylab='Value',main='Notched Box Plots - Differenced Periodic Subseries'))
$stats
          [,1]      [,2]      [,3]      [,4]  [,5] [,6]
[1,] -6.333333 -4.091667 -5.883333 0.9916667 -2.95   NA
[2,] -6.333333 -4.091667 -5.883333 0.9916667 -2.95   NA
[3,] -6.333333 -4.091667 -5.883333 0.9916667 -2.95   NA
[4,] -6.333333 -4.091667 -5.883333 0.9916667 -2.95   NA
[5,] -6.333333 -4.091667 -5.883333 0.9916667 -2.95   NA

$n
[1] 1 1 1 1 1 0

$conf
          [,1]      [,2]      [,3]      [,4]  [,5] [,6]
[1,] -6.333333 -4.091667 -5.883333 0.9916667 -2.95   NA
[2,] -6.333333 -4.091667 -5.883333 0.9916667 -2.95   NA

$out
numeric(0)

$group
numeric(0)

$names
[1] "1" "2" "3" "4" "5" "6"

> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/6k1hs1226597338.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(arr)
> names(z) <- c(1:np)
> (boxplot(z,notch=TRUE,col='grey',xlab='Block Index',ylab='Value',main='Notched Box Plots - Sequential Blocks'))
$stats
          [,1] [,2]
[1,]  81.73333   NA
[2,]  83.69167   NA
[3,]  87.12917   NA
[4,]  93.66667   NA
[5,] 100.00000   NA

$n
[1] 6 0

$conf
         [,1] [,2]
[1,] 80.69497   NA
[2,] 93.56336   NA

$out
numeric(0)

$group
numeric(0)

$names
[1] "1" NA 

Warning message:
In bxp(list(stats = c(81.7333333333333, 83.6916666666667, 87.1291666666666,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> postscript(file="/var/www/html/rcomp/tmp/72va21226597338.ps",horizontal=F,pagecentre=F,paper="special",width=8.3333333333333,height=5.5555555555556) 
> z <- data.frame(cbind(arr.mean,arr.median,arr.midrange))
> names(z) <- list('mean','median','midrange')
> (boxplot(z,notch=TRUE,col='grey',ylab='Overall Central Tendency',main='Notched Box Plots'))
$stats
          [,1]      [,2]      [,3]
[1,]  81.73333  81.73333  81.73333
[2,]  83.69167  83.69167  83.69167
[3,]  87.12917  87.12917  87.12917
[4,]  93.66667  93.66667  93.66667
[5,] 100.00000 100.00000 100.00000

$n
[1] 6 6 6

$conf
         [,1]     [,2]     [,3]
[1,] 80.69497 80.69497 80.69497
[2,] 93.56336 93.56336 93.56336

$out
numeric(0)

$group
numeric(0)

$names
[1] "mean"     "median"   "midrange"

Warning message:
In bxp(list(stats = c(81.7333333333333, 83.6916666666667, 87.1291666666666,  :
  some notches went outside hinges ('box'): maybe set notch=FALSE
> dev.off()
null device 
          1 
> 
> system("convert tmp/1zv6w1226597337.ps tmp/1zv6w1226597337.png")
> system("convert tmp/2e1821226597337.ps tmp/2e1821226597337.png")
> system("convert tmp/3pjlr1226597337.ps tmp/3pjlr1226597337.png")
> system("convert tmp/4l2lv1226597337.ps tmp/4l2lv1226597337.png")
> system("convert tmp/5dj231226597337.ps tmp/5dj231226597337.png")
> system("convert tmp/6k1hs1226597338.ps tmp/6k1hs1226597338.png")
> system("convert tmp/72va21226597338.ps tmp/72va21226597338.png")
> 
> 
> proc.time()
   user  system elapsed 
  2.492   1.550   2.723